🌾Agriculture MCQs
Agriculture MCQs
494 MCQs311
Browning disease of rice is a_________?
🌾AgricultureBy: Shafiq Rehman
ABacterial & fungal disease
BPhysiological disease
CViral disease
DThe above statement is wrong
312
If a manure pile is exposed to the rain, what nutrient will be lost the most ?
🌾AgricultureBy: Shafiq Rehman
ACa
BMg
CS
DN
313
What is the optimum temperature and pH for nitrifying bacteria ?
🌾AgricultureBy: Shafiq Rehman
A30-35 c, pH 5.5
B>35 c, pH less than 5
C25-40 c, pH 8-8.5
DAll of thses
314
The first mechanism to start in the wind erosion is_________?
🌾AgricultureBy: Shafiq Rehman
ACreep
BSaltation
CSiltation
DNone of these
315
The indicator used for estimation of the soil available boron is_______?
🌾AgricultureBy: Shafiq Rehman
AMixed indicator
BPhenolpthalein
CDiphenyle
DAzomethine-H
316
Source of negative charges on silicate clays is/ are________?
🌾AgricultureBy: Shafiq Rehman
AExposed crystal edges
BIsomorphous substitution
CAnion exchange
DAll of these
317
Soil order characterized by excess of weathering with dominant iron and aluminium oxide clays, common in tropics is_________?
🌾AgricultureBy: Shafiq Rehman
AAlfisols
BMollisols
CEntisols
DOxisols
318
1 bar is equal to_________?
🌾AgricultureBy: Shafiq Rehman
A0.9869 atm
BWt. Of a 1020 cm water column
C75.01 cm high mercury column
DAll of these
319
Select the water soluble phosphatic fertilizer from the following__________?
🌾AgricultureBy: Shafiq Rehman
ADSP
BTSP
CSSP
DAll of these
320
Journal ‘Plant and Soil’ is published from__________?
🌾AgricultureBy: Shafiq Rehman
AUSA
BJapan
CThe Neterlands
DPakistan